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Senior full stack .net developer - cape town - remote

Summary

Senior Full Stack .NET Developer building ASP.NET Core REST APIs, TypeScript/Aurelia front-ends, and AWS infrastructure for a conversational voice intelligence SaaS company, including hands-on LLM integration work.

Senior Full Stack. Net Developer - Cape Town - Remote Ada Meher City of Cape Town, Western Cape, South Africa

Senior Full Stack Developer - Stellenbosch, Remote - R115,000 CTC

I am partnered with a conversational voice intelligence company who are leveraging AI and LLMs to enhance their service offerings and enhance their customers' experience. They were established over seven years ago and have progressed through start-up phase and established a widespread client base; they are looking to continue to grow. They focus on efficiency without sacrificing on quality and are looking for a forward-thinking engineer who can drive technology innovation as they scale.

In this role, you will manage end-to-end delivery across a global Saa S stack; designing and building. Net Core services, creating data models, shipping quality front-end's and working extensively with AWS. You will also play a key role in assisting with the leverage of LLMs to deliver value to customers.

Responsibilities

Design and build robust ASP. NET Core REST APIs with Open API/Swagger that developers love to use.

Model and optimise SQL databases for both transactional and analytical workloads.

Deliver product features end-to-end across Type Script + Aurelia (React/Angular experience also transfers well) and. NET services.

Architect, build, and operate workloads on AWS (ECS Fargate, Lambda, S3, RDS/Aurora, API Gateway, etc.) using Well-Architected principals.

Contribute to containerisation and orchestration with Docker and Kubernetes, focusing on maintainability and observability.

Implement secure authentication/authorisation (OIDC/OAuth2) and champion secure coding practices.

Monitor and improve performance with Open Telemetry, Grafana, and Cloud Watch.

Automate everything — CI/CD, Ia C (AWS CDK in C#), testing, and quality gates.

Collaborate closely with product and design teams, participate in code reviews, and take features from idea to production.

Experiment with LLMs and applied ML to drive real user and business value.

Data:

SQL, OLTP/OLAP modelling, caching and queuing

Frontend:

Type Script, Aurelia (React/Angular welcome), modern tooling and testing

Security:

OIDC/OAuth2, OWASP Top 10, Open Telemetry, Grafana, Cloud Watch

AI/LLMs:

Open AI, Bedrock, Anthropic, embeddings/vector search, prompt shaping

Requirements

5+ years of hands‑on experience building production software with ownership of backend services and customer-facing features.

Strong. NET Core background with excellent API design instincts.

Deep SQL skills (query tuning, indexing, schema design).

Proven experience deploying and running applications on AWS at scale.

Hands‑on Kubernetes knowledge (deploying, debugging, operating).

Front‑end experience with Type Script and a modern framework (Aurelia, React, or Angular).

Solid understanding of secure coding and ability to address OWASP Top 10 issues.

Strong communication, product awareness, and a proactive mindset.

Nice to Haves

Experience with event‑driven architectures (Kafka, Redpanda) or analytics pipelines.

Practical experience integrating LLMs in production or developer workflows.

Understanding of multi‑tenant Saa S, privacy by design, and GDPR/POPIA compliance.

Seniority level Mid‑Senior level

Employment type Full‑time

Job function Information Technology

Industries IT Services and IT Consulting

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City of Cape Town, Western Cape, South Africa.

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